Home / 11,980.12-16,532.20-6,944.44

Finding the Fourth Proportional to 11,980.12, 16,532.20 and 6,944.44

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Solution

The fourth proportional to 11,980.12, 16,532.20 and 6,944.44 is: 9,583.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,980.12 : 16,532.20 = 6,944.44 : x
  2. Step 2: Convert to fraction form
    11,980.12/16,532.20 = 6,944.44/x
  3. Step 3: Cross multiply
    11,980.12x = 16,532.20 × 6,944.44
  4. Step 4: Simplify right side
    11,980.12x = 114,806,870.97
  5. Step 5: Solve for x
    x = 114,806,870.97/11,980.12
  6. Step 6: Final answer
    x = 9,583.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.